Montosa Canyon (FR 184) in AZ -- Free Camping & Overnight Parking in Arizona

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Montosa Canyon (FR 184) in AZ

Coronado NF, Nogales Ranger District
3,936 ft
Maps
RUTTED
VerizonMARGINAL
AT&TNONE
T-MobileUSABLE
StarlinkGOOD
Rules not confirmed

Coronado National Forest, Nogales Ranger District administers this ground -- we don't have a verified rule for this spot.

A 16.7-mile stretch of graded dirt National Forest road in Santa Cruz County, AZ.

3.2 of the 16.7 miles in are maintained only for high-clearance vehicles. Mostly graded dirt, with 3.6 miles of dirt. Climbs 5,400 ft over 16.7 miles -- sustained grades near 12%, with pitches to 24%. Stretches run along a shelf with a drop of up to ~210 ft on the downhill side. Winds through 26 switchbacks. Dead-end road -- no mapped turnaround; expect to back out or unhitch. A cattle guard at the start of the road. Gates 1, 4.1 and 12.1 miles in.

Mount Hopkins stands 4,624 ft above the site, 4.4 miles east. A reservoir lies 0.4 mi off. The nearest town, Tubac, is 7.7 mi off.

September normals 6689°F, 2.1″ rain. Monthly averages, PRISM 1991–2020.

Fire restrictions

Set by Coronado National Forest, Nogales Ranger District. Stage 1 and 2 orders change within days -- check the current order before you build a fire.

fs.usda.gov
Sources checked August 2026Something wrong here?